The AE9/AP9 Next Generation Radiation Specification ... - SET - NASA
The AE9/AP9 Next Generation Radiation Specification ... - SET - NASA
The AE9/AP9 Next Generation Radiation Specification ... - SET - NASA
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UNCLASSIFIEDDo you really need to simulate thewhole mission?GPS, 95% Confidence, Worst Case 24-hour averageHEO, 95% Confidence, Worst Case 24-hour average10 9 Energy, MeVFlux #/cm 2 /s/MeV10 810 710 610 510 410 310 20.5 years1 years2 years3 years4 years5 years6 years7 years8 years9 years10 yearsGPS internalcharging (ElectronFlux) spectrum forvarious missiondurations10 0 10 1Flux #/cm 2 /s/MeV10 810 710 610 510 410 310 20.5 years1 years2 years3 years4 years5 years6 years7 years8 years9 years10 yearsHEO internalcharging (ElectronFlux) spectrum forvarious missiondurations10 0 10 110 9 Energy, MeV• Yes (Space Weather!)• Worst case internal charging flux grows by more than afactor of 2 from a 6 month to a 10 year mission• <strong>The</strong> effect is orbit dependent and even larger in LEO17UNCLASSIFIED
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